Eastman House
Eastman House Standard Profile Box Spring Foundation - 9"
$259Queen
Free Local White-Glove Setup & Haul-Away on Orders Over $499Announcement 1 of 2
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The Diamond Lily Medium Gel Memory Foam Euro Top Floor Model Clearance Mattress is a medium innerspring mattress built for combination sleepers and most body types. Diamond Mattress is family-owned and California-built — every model is hand-assembled in Chino with CertiPUR-US foams and OEKO-TEX natural fibers. At 12.5", it sits in the standard profile range — generous enough for adjustable bases yet still easy to sheet.
Hand-assembled in California with domestic steel coils and CertiPUR-US foams.
A foam-encased perimeter lets you use the full sleep surface — and sit on the edge to dress.
Each coil moves on its own, so a partner getting up doesn't roll you out of position.
We deliver, set up in your bedroom, and haul away your old mattress — no extra charge.
Explore the construction details for this model.
Order before 4pm. Delivery options and charges are shown at checkout. We'll call after purchase to confirm your delivery date.
Delivery details120 nights to be sure. One exchange for any mattress we stock, flat $100 swap fee. Check the full terms for eligibility and clearance exclusions.
Read the full termsThis mattress is a top-tier product in the Diamond Lily Dream Collection, a series of mattresses designed for optimal comfort, support, and temperature regulation. Made in the USA (Los Angeles, CA), this mattress combines the best of sleep technology for a transformative sleep experience.
Hyper Conductive Sparkle Foam: This innovative material adjusts your core temperature to the ideal level for natural sleep, while circulating airflow to maintain a comfortable coolness throughout the night.
Cool-Tencel Cover: A conductive fabric that actively disperses heat, further enhancing the cooling properties of the mattress and helping to facilitate deep, restorative sleep.
Moisture Wicking Fabric: Efficiently absorbs and disperses moisture to help keep you dry and comfortable throughout your sleep.
5-Series Wrapped Coil: This coil system provides adaptive support, adjusting to your body's contours and movements to create a personalized sleep experience.
Ventilated Gel Memory Foam: This component provides superior pressure relief, while its ventilated design enhances airflow for a cool and comfortable sleep experience.
Tri-Zoned Foam Encasement Design: This design ensures targeted support and comfort to different areas of the body.
The mattress is recommended for side and back sleepers who prefer a medium feel.
Experience the unparalleled comfort and refreshing sleep you deserve with the Diamond Lily Medium Gel Memory Foam Euro Top 12.5" Mattress. Wake up feeling rejuvenated and ready to face the day!
Compare Queen-size options side by side. The differences that matter, in one table.
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| Queen | DiamondLily Queen Medium Gel Memory Foam Euro Top Mattress - 12.5" - Floor Model Clearance | Tempur-PedicTEMPUR-ProAdapt® Medium Hybrid Mattress - 12" | Stearns & FosterEstate® Firm Innerspring Mattress - 14.5" |
|---|---|---|---|
| Price (Queen) | $699 · was | $3,399 | $2,399 |
| Feel | Medium | Medium | Firm |
| Best for | Combination sleepers (back + side) | Most sleepers, thanks to the universal medium feel | Back and stomach sleepers |
| Cooling / cover | Tencel Cover | SmartClimate knit cover | See product details |
| Height | 12.5″ | 12″ | 14.5″ |
| Warranty | See product details | 10 years | 10 years |
| Try in store | Check showroom availability | Check showroom availability | Check showroom availability |
| Shop Queen |
Pillows and sheets to complete your setup. Each item is optional and added only when you choose it.Bedding for Queen. Pillow sizes are shown separately.
Diamond Mattress is a 4th-generation family-owned company that has been handcrafting mattresses in Southern California since 1946. Founded by the Pennington family in Compton, California (now headquartered in Rancho Dominguez), Diamond is one of the few mattress manufacturers in America that is fully vertically integrated. They make their own pocketed coils, process their own memory foams, and cut and sew their own fabrics, all under one roof. This level of control over every component means Diamond can maintain strict quality standards that outsourced manufacturers cannot match. Every Diamond mattress is CertiPUR-US certified, GREENGUARD Gold certified for low chemical emissions, OEKO-TEX tested for harmful substances, and ECO INSTITUT certified for environmental safety. Diamond also uses REPREVE recycled fibers in select products, demonstrating their commitment to sustainable manufacturing practices.
Explore DiamondGet to know your mattress, from comfort and construction to delivery and care.
It has a medium feel, 5 out of 10 on our scale where 1 is the softest. It is a great fit for side sleeping, great fit for back sleeping, and good fit for stomach sleeping.
From top to bottom it is built from Quilted comfort top, Comfort foam layers, Pocketed (or offset) coils, and Foam-encased perimeter in a 12.5-inch profile. A plush quilt that softens the surface feel.
It suits: Combination sleepers (back + side); Couples with different sleep styles; Most body types in 130–230 lb; Adjustable-base owners. It is a weaker fit for: Sleepers who want to feel "in" the bed; Strict-firm preference.
Yes, free white-glove delivery anywhere in Los Angeles on orders over $499, including setup and free haul-away of your old mattress. Order by 4pm for same-day delivery.
You have our 120-night comfort exchange. Sleep on it for at least 30 nights, and if it isn't right, exchange it for another mattress, we handle the pickup and redelivery.
Yes, 0% APR financing through Synchrony on approved credit, plus Acima lease-to-own with no credit needed. Most applicants are approved in minutes at checkout or in any showroom.
Display models and sizes vary by location. Contact your preferred showroom before visiting to confirm the exact model is available to try. Display availability does not confirm purchase stock or delivery timing. Find contact details at showroom locations.
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